/* ==========================================================================
   Viçosa HUB — Responsividade (responsive.css)
   Testado para 360 / 390 / 768 / 1024 / 1440 px.
   ========================================================================== */

/* ---- Grande (>= 1024px): hero em 2 colunas mantém-se ---------------------- */
@media (max-width: 1080px) {
  .hero__inner {
    grid-template-columns: 1fr;
  }
  .hero__aside {
    max-width: 520px;
  }
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .step:not(:last-child)::after {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---- Tablet (<= 860px): ativa menu mobile -------------------------------- */
@media (max-width: 860px) {
  :root {
    --header-h: 64px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-4) var(--space-5) var(--space-6);
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--line-100);
    box-shadow: var(--shadow-lg);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease),
      visibility var(--dur);
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    width: 100%;
  }

  .nav__link {
    padding: var(--space-4);
    border-radius: var(--radius-sm);
    font-size: var(--fs-600);
    justify-content: space-between;
  }

  .nav__actions {
    margin-top: var(--space-4);
    width: 100%;
  }
  .nav__actions .btn {
    width: 100%;
  }

  .grid--2,
  .grid--3 {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .contact-layout {
    grid-template-columns: 1fr !important;
  }

  .modal__footer {
    flex-direction: column;
    align-items: stretch;
  }
  .modal__footer .btn {
    width: 100%;
  }
}

/* ---- Celular grande (<= 640px) ------------------------------------------- */
@media (max-width: 640px) {
  .container {
    padding-inline: var(--space-4);
  }

  .section {
    padding-block: var(--space-8);
  }

  .grid--4 {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .value-list {
    grid-template-columns: 1fr;
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .search {
    max-width: none;
  }

  .hero__actions,
  .cta-band__actions {
    flex-direction: column;
  }
  .hero__actions .btn,
  .cta-band__actions .btn {
    width: 100%;
  }

  .brand__slogan {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* ---- Celular pequeno (<= 400px) ------------------------------------------ */
@media (max-width: 400px) {
  .container {
    padding-inline: var(--space-3);
  }
  .card,
  .feature-card {
    padding: var(--space-5);
  }
  .modal__header,
  .modal__body,
  .modal__footer {
    padding-inline: var(--space-4);
  }
  .brand__name {
    font-size: 1.05rem;
  }
}

/* ---- Larguras grandes (>= 1440px) ---------------------------------------- */
@media (min-width: 1440px) {
  .section--wide .container {
    max-width: 1320px;
  }
}